Riverton.

The definitive guide to dark skies and celestial observation in Riverton, WY. Verified using National Park Service and NASA Night Sky Network Clubs data.

Bortle Scale
1
Best Regional Reading
Sky Quality
21.58
SQM Zenith Value
Verified Sites
0
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Riverton

  • Top Community Pick: local vantage points (~N/A miles)
  • Best Scientific Reading: Bortle 1.0 at Union Pass
  • Local Experts: Jackson Hole Astronomy Club
  • Verified Observations: 0 distinct spots

Stargazing in Riverton is surprisingly rewarding if you know exactly where to set up your tripod. While enthusiasts often gather at local vantage points for its accessibility, scientific audits conducted by the National Park Service at Union Pass provide the most accurate reading of the regional sky quality, measuring at a Bortle 1.0. The transition between the urban infrastructure of Riverton and the more rural stretches of WY creates several ‘dark sky’ corridors.

The Best Times for Stargazing in Riverton

For the best results in Riverton, aim for a ‘New Moon’ window. In these dark-sky conditions, the absence of moonlight allows the Milky Way to cast visible shadows.

Expert Tips for Riverton Observers

Before heading out to local vantage points, we recommend arriving during civil twilight to scout the terrain safely. A medium-aperture telescope is ideal for resolving the rings of Saturn and bright star clusters the site. Local enthusiasts often frequent this spot, making it a great place to meet experienced observers. Regardless of your gear, allow 30 minutes for your eyes to fully dark-adapt.

Wyoming Guide

Population 10,803
Coordinates 43.04, -108.41

Nearby Cities

Local Top Spots

Community-vetted locations known for clear horizons and accessibility for telescopes and astrophotography.

Scientific Audit

NPS Sky Measurements

Instrumented readings from the National Park Service Night Sky Program, providing the most accurate SQM and Bortle classifications.

Union Pass

Shoshone NF

21.58 SQM
Bortle Class 1

"Sky quality measurements were recorded at Union Pass in Shoshone NF on 8/21/2017. The site demonstrated a scientific darkness reading of 21.58 SQM."

Observation Date
8/21/2017
Elevation
2841m
Zenith Brightness
21.48

Gros Ventre Campground

Grand Teton NP

21.52 SQM
Bortle Class 4

"Camplight in campground causing direct glare SQM 21.62."

Observation Date
7/15/2010
Elevation
2007m
Zenith Brightness
21.36

International Dark Sky Parks

Premier locations certified for their exceptional dark sky quality and commitment to light pollution mitigation.

IDA Certified Distance: 28.5 miles

Sinks Canyon State Park

Sinks Canyon State Park is a 600-acre park located 7.4 kilometers southwest of Lander, Wyoming. Established in 1971, Sinks Canyon is managed by the Wyoming…

Category
International Dark Sky Park
Certified
2023
Land Area
Coordinates
42.7480, -108.8091
IDA Certified Distance: 123.2 miles

Jackson Hole Airport

Teton County, Wyoming, lies at the heart of the Greater Yellowstone Ecosystem, the largest intact ecosystem in the contiguous United States.

Category
Urban Night Sky Place
Certified
2025
Land Area
2.02 km
Coordinates
43.6088, -110.7380

Local Astronomy Clubs

Connect with experts and fellow enthusiasts through local astronomical societies and community groups.

NASA Night Sky Club ID
#209

Jackson Hole Astronomy Club

Jackson, WY

NASA Night Sky Club ID
#564

Star Valley Astronomy Club

Thayne, WY